/* 沪上打工人 · 样式表
   零依赖，零外部请求。深色基调 + 咖啡琥珀色强调。 */

:root {
  --bg: #0d0f14;
  --bg-soft: #141822;
  --card: #171c26;
  --card-2: #1d2330;
  --line: #262d3b;
  --line-soft: #1f2531;

  --txt: #e9edf5;
  --txt-2: #a8b2c4;
  --txt-3: #6f7b90;

  --amber: #e0a45c;
  --amber-2: #f0c088;
  --teal: #5ec4b4;
  --rose: #e07a6b;

  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 9px;

  --pad: 22px;
  --maxw: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--txt);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

a { color: inherit; }

/* ---------- HERO ---------- */

.hero {
  position: relative;
  padding: 56px 0 40px;
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(224, 164, 92, .17) 0%, rgba(224,164,92,0) 62%),
    linear-gradient(180deg, #12161f 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 600;
}

.title {
  margin: 0;
  font-size: clamp(38px, 12vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  background: linear-gradient(100deg, #ffffff 8%, var(--amber-2) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--txt);
}

.slogan {
  margin: 12px 0 0;
  font-size: clamp(17px, 4.6vw, 21px);
  color: var(--amber-2);
  font-weight: 600;
  letter-spacing: .01em;
}

.lede {
  margin: 16px 0 0;
  color: var(--txt-2);
  font-size: 15.5px;
  max-width: 33em;
}

.hero-meta {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--txt-3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(94, 196, 180, .16);
  flex: none;
}

/* ---------- CTA ---------- */

.cta-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 13px;
}

@media (min-width: 620px) {
  .cta-grid { grid-template-columns: 1fr 1fr; }
}

.cta {
  position: relative;
  display: block;
  text-decoration: none;
  padding: 20px 20px 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--card-2), var(--card));
  overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
  min-height: 44px;
}

.cta::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--amber);
  opacity: .85;
}

.cta-b::after { background: var(--teal); }

.cta:active { transform: translateY(1px) scale(.995); }

@media (hover: hover) {
  .cta:hover {
    border-color: rgba(224, 164, 92, .5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .38);
  }
  .cta-b:hover { border-color: rgba(94, 196, 180, .5); }
}

.cta-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--txt-3);
  text-transform: uppercase;
  font-weight: 600;
}

.cta-title {
  display: block;
  margin-top: 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--txt);
}

.cta-sub {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--txt-2);
}

.cta-go {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
}

.cta-b .cta-go { color: var(--teal); }

/* ---------- CARDS ---------- */

main { padding: 26px 0 46px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--pad);
  margin-bottom: 16px;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.card-head h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
}

.stamp, .chip {
  font-size: 12px;
  color: var(--txt-3);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.chip { color: var(--amber); border-color: rgba(224, 164, 92, .3); }

.empty {
  margin: 0;
  color: var(--txt-3);
  font-size: 14.5px;
  padding: 16px 0;
  text-align: center;
}

/* ---------- STAT BLOCKS ---------- */

.stats-grid {
  display: grid;
  gap: 22px;
}

.stat-block + .stat-block {
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.stat-title {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--txt);
}

.stat-note {
  margin: 0 0 12px;
  font-size: 12.5px;
  color: var(--txt-3);
}

.bars { display: grid; gap: 9px; }

.bar-row {
  display: grid;
  grid-template-columns: 84px 1fr 56px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.bar-label {
  color: var(--txt-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-track {
  height: 8px;
  background: var(--bg-soft);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--amber), var(--amber-2));
  min-width: 2px;
  transition: width .5s ease;
}

.bar-fill.teal { background: linear-gradient(90deg, #4aa89a, var(--teal)); }
.bar-fill.rose { background: linear-gradient(90deg, #c96a5c, var(--rose)); }

.bar-val {
  text-align: right;
  color: var(--txt-3);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 11px;
}

.kpi {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 15px;
}

.kpi-num {
  font-size: 25px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.kpi-num.teal { color: var(--teal); }
.kpi-num.rose { color: var(--rose); }

.kpi-label {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--txt-2);
}

.kpi-sub {
  margin-top: 2px;
  font-size: 11.5px;
  color: var(--txt-3);
}

/* ---------- PRIVACY ---------- */

.privacy-list {
  margin: 0;
  padding-left: 19px;
  color: var(--txt-2);
  font-size: 14.5px;
}

.privacy-list li { margin-bottom: 9px; }
.privacy-list strong { color: var(--txt); }

.fine {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--bg-soft);
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 13.5px;
  color: var(--txt-2);
}

.fine strong { color: var(--amber-2); }

/* ---------- NEXT STEPS ---------- */

.next-steps {
  margin: 0;
  padding-left: 20px;
  color: var(--txt-2);
  font-size: 14.5px;
}

.next-steps li { margin-bottom: 10px; }
.next-steps strong { color: var(--txt); }

/* ---------- FOOTER ---------- */

.foot {
  border-top: 1px solid var(--line-soft);
  padding: 26px 0 34px;
  background: #0a0c11;
}

.foot-brand {
  margin: 0 0 6px;
  font-weight: 700;
  color: var(--txt);
  font-size: 15px;
}

.foot-line {
  margin: 0;
  color: var(--txt-3);
  font-size: 12.5px;
}

/* ---------- 演示数据横幅 ---------- */

.demo-banner {
  background: repeating-linear-gradient(135deg, #8a5a12 0 14px, #a06a16 14px 28px);
  color: #fff;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 16px;
  letter-spacing: .02em;
}

/* ---------- 问卷页 ---------- */

.qpage {
  padding: 26px 0 60px;
}

.qhead { padding: 34px 0 22px; }

.qback {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 13.5px;
  color: var(--txt-3);
  text-decoration: none;
}

.qback:hover { color: var(--amber); }

.qtitle {
  margin: 0;
  font-size: clamp(23px, 6.4vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.qdesc {
  margin: 9px 0 0;
  color: var(--txt-2);
  font-size: 14.5px;
}

.progress {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 3px;
  background: var(--line-soft);
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--amber), var(--amber-2));
  transition: width .3s ease;
}

.qblock {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--pad);
  margin-bottom: 15px;
}

.qnum {
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 700;
}

.qtext {
  margin: 7px 0 4px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--txt);
}

.qhint {
  margin: 0 0 14px;
  font-size: 12.5px;
  color: var(--txt-3);
}

.opts { display: grid; gap: 8px; }

.opt {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
  cursor: pointer;
  font-size: 15px;
  color: var(--txt-2);
  transition: border-color .14s ease, background .14s ease, color .14s ease;
  min-height: 46px;
  user-select: none;
}

.opt:hover { border-color: rgba(224, 164, 92, .42); }

.opt input { display: none; }

.opt .mark {
  width: 19px; height: 19px;
  flex: none;
  border: 1.5px solid var(--txt-3);
  border-radius: 50%;
  position: relative;
  transition: border-color .14s ease;
}

.opt.multi .mark { border-radius: 6px; }

.opt .mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--amber);
  transform: scale(0);
  transition: transform .14s ease;
}

.opt.multi .mark::after { border-radius: 2px; }

.opt.sel {
  border-color: var(--amber);
  background: rgba(224, 164, 92, .1);
  color: var(--txt);
}

.opt.sel .mark { border-color: var(--amber); }
.opt.sel .mark::after { transform: scale(1); }

.submit-bar {
  position: sticky;
  bottom: 0;
  background: linear-gradient(180deg, rgba(13,15,20,0), var(--bg) 34%);
  padding: 18px 0 8px;
}

.btn {
  display: block;
  width: 100%;
  padding: 15px 20px;
  border: none;
  border-radius: var(--r-md);
  background: linear-gradient(100deg, var(--amber), var(--amber-2));
  color: #221605;
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  min-height: 48px;
}

.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--txt-2);
  font-weight: 600;
}

.done {
  text-align: center;
  padding: 40px 0 20px;
}

.done-mark {
  width: 58px; height: 58px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(94, 196, 180, .14);
  border: 1.5px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--teal);
}

.done h2 { margin: 0 0 8px; font-size: 21px; }
.done p { margin: 0 0 6px; color: var(--txt-2); font-size: 14.5px; }

.done-box {
  margin: 22px 0;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: left;
  font-size: 13px;
  color: var(--txt-2);
}

.done-box code {
  display: block;
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  color: var(--amber-2);
  word-break: break-all;
}

.q-error {
  margin: 0 0 12px;
  padding: 11px 14px;
  background: rgba(224, 122, 107, .12);
  border: 1px solid rgba(224, 122, 107, .45);
  border-radius: var(--r-sm);
  color: #f0a596;
  font-size: 13.5px;
}

.qblock-warn {
  border-color: rgba(224, 122, 107, .6);
  box-shadow: 0 0 0 3px rgba(224, 122, 107, .1);
}

@media (max-width: 420px) {
  .bar-row { grid-template-columns: 72px 1fr 50px; font-size: 12.5px; }
  .card { padding: 18px 16px; }
  :root { --pad: 18px; }
}